YL SERIES are for supporting domestic OEM.They can work up to the temperature of 300℃,with less wear rate,little wastage,long working life,good performance of thermal recession and water recessionas well as exquisite workmanship.lt’s mainly supported to domestic OEM and exported over-seas in large quantity.Steady brake performance as temperature at 300℃♦less wear rate♦little wastage♦exquisite workmanship